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Posts tagged “geothermal power”

By Robert Rapier on Jul 19, 2013 with 9 responses

Hydropower and Geothermal Status Update 2013

This is the 2nd installment in a series that looks at the recently released 2013 BP Statistical Review of World Energy. The previous post – Renewable Energy Status Update 2013 – focused mainly on wind and solar power. This post delves into hydropower and geothermal power. Some of the BP data is supplemented by REN21′s recently-released 2013 Renewables Global Status Report (GSR). (Disclosure: I have been a reviewer for the GSR for the past three years).


Hydropower accounts for more electricity production than solar PV, wind, and geothermal combined. In 2012, hydropower accounted for 16% of the world’s electricity production. However, hydropower gets far less press because it is a mature technology with a much lower annual growth rate than most renewables. While solar PV increased capacity by an average of 60% per year over the past 5 years, new hydropower capacity increased at a much more modest annual rate of 3.3%.

Hydropower Graph for ETI


By Robert Rapier on Jun 25, 2013 with 13 responses

Avoiding Energy’s Big Buts

This past week I posted the following graphic on my Twitter account (@RRapier) showing the explosive growth of renewable electricity, particularly over the past decade:

renewable power

The first response to this graphic was “But…INTERMITTENT!” CONTINUE»